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The coefficient of x in the expansion of (x+3)(x-1) is ​

The coefficient of x in the expansion of (x+3)(x-1) is ​
asked 8.3k views
4 votes
The coefficient of x in the expansion of
(x+3)(x-1) is
​

asked
User Impirator
by
7.8k points

1 Answer

5 votes
x^2 + x + 3x - 3
x^2 + 4x - 3

Therefore the coefficient of x in expansion is 4.
answered
User Zwaldowski
by
9.2k points
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